Saeid Jamilan et al. 2023. Near-Zero Refractive Indices and Collimation Effects in Anisotropic Photonic Crystals with Rectangular Lattices. Fundamental Research and Application of Physical Science Vol. 9. (Sep. 2023), 64–75. DOI:https://doi.org/10.9734/bpi/fraps/v9/6209C.